diff --git a/app/Editor.java b/app/Editor.java
index c5a23302e..97f3a891b 100644
--- a/app/Editor.java
+++ b/app/Editor.java
@@ -819,6 +819,16 @@ public class Editor extends JFrame
       burnBootloaderItem.setEnabled(bootloadingEnabled);
       if (burnBootloaderParallelItem != null)
         burnBootloaderParallelItem.setEnabled(bootloadingEnabled);
+
+      try {
+        LibraryManager libraryManager = new LibraryManager();
+        libraryManager.rebuildAllBuilt();
+      } catch (IOException e) {
+        e.printStackTrace();
+      } catch (RunnerException e) {
+        message("Error rebuilding libraries...");
+        error(e);
+      }
     }
   }
   
diff --git a/app/LibraryManager.java b/app/LibraryManager.java
index 77c4de426..bd1e7af42 100755
--- a/app/LibraryManager.java
+++ b/app/LibraryManager.java
@@ -1,6 +1,6 @@
 /*
   LibraryManager.java - Library System for Wiring
-  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+  Copyright (c) 2006-07 Nicholas Zambetti.  All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
@@ -119,6 +119,33 @@ public class LibraryManager {
     }
     return Collections.unmodifiableList(buildableLibraries);
   }
+  
+ /*
+   * Rebuilds built libraries
+   * @return Number of libraries built as int, -1 & exception on error
+   */
+  public int rebuildAllBuilt() throws RunnerException {
+    Collection builtLibraries = getBuiltLibraries();
+    Library library;
+    Iterator libIterator = builtLibraries.iterator();
+    int countBuilt = 0;
+    while(libIterator.hasNext()){
+      library = (Library)libIterator.next();
+      //System.out.println("Building library \"" + library.getName() + "\"");
+      try {
+        if(library.build()){
+          ++countBuilt;
+        }else{
+          return -1;
+        }
+      }catch (RunnerException re) {
+        throw new RunnerException(re.getMessage());
+      } catch (Exception ex) {
+        throw new RunnerException(ex.toString());
+      }
+    }
+    return countBuilt;
+  }
 
   /*
    * Gathers paths to object files